USN-6682-1: Puma vulnerabilities

Publication date

7 March 2024

Overview

Several security issues were fixed in Puma.


Packages

  • puma - threaded HTTP 1.1 server for Ruby/Rack applications

Details

ZeddYu Lu discovered that Puma incorrectly handled parsing certain headers.
A remote attacker could possibly use this issue to perform an HTTP Request
Smuggling attack. This issue only affected Ubuntu 20.04 LTS.
(CVE-2020-11076)

It was discovered that Puma incorrectly handled parsing certain headers.
A remote attacker could possibly use this issue to perform an HTTP Request
Smuggling attack. This issue only affected Ubuntu 20.04 LTS.
(CVE-2020-11077)

Jean Boussier discovered that Puma might not always release resources
properly after handling HTTP requests. A remote attacker could possibly
use this issue to read sensitive information. (CVE-2022-23634)

It was discovered that Puma incorrectly handled certain malformed headers.
A remote attacker could use this issue to perform an HTTP Request...

ZeddYu Lu discovered that Puma incorrectly handled parsing certain headers.
A remote attacker could possibly use this issue to perform an HTTP Request
Smuggling attack. This issue only affected Ubuntu 20.04 LTS.
(CVE-2020-11076)

It was discovered that Puma incorrectly handled parsing certain headers.
A remote attacker could possibly use this issue to perform an HTTP Request
Smuggling attack. This issue only affected Ubuntu 20.04 LTS.
(CVE-2020-11077)

Jean Boussier discovered that Puma might not always release resources
properly after handling HTTP requests. A remote attacker could possibly
use this issue to read sensitive information. (CVE-2022-23634)

It was discovered that Puma incorrectly handled certain malformed headers.
A remote attacker could use this issue to perform an HTTP Request Smuggling
attack. (CVE-2022-24790)

Ben Kallus discovered that Puma incorrectly handled parsing certain headers.
A remote attacker could use this issue to perform an HTTP Request Smuggling
attack. (CVE-2023-40175)

Bartek Nowotarski discovered that Puma incorrectly handled parsing certain
encoded content. A remote attacker could possibly use this to cause a
denial of service. (CVE-2024-21647)


Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
22.04 jammy puma –  5.5.2-2ubuntu2+esm1  
20.04 focal puma –  3.12.4-1ubuntu2+esm1  

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